<template>
    <div class="shopcar-container">

        <div class="good-list">

            <!-- 商品列表项区域 -->
            <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner" v-for="(item,i) in goodslist" :key="item.id">

						<mt-switch 
                        v-model=" $store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"
                        ></mt-switch>
                        
                        <img :src=" item.thumb_path " alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">￥{{ item.sell_price }}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>

					</div>
				</div>
			</div>


            <!-- 结算区域 -->
            <div class="mui-card bottom">
				<div class="mui-card-content">
					<div class="mui-card-content-inner settle">
						<div class="left">
                           <p>
                               总计（不含运费）</p> 
                            <p>
                                已勾选商品 <span class="red">
                                    {{ $store.getters.getGoodsCountAndAmount.count }}
                                    </span> 件&nbsp;总价：<span class="red">
                                        ￥{{ $store.getters.getGoodsCountAndAmount.amount }}
                                        </span>
                            </p>            
                        </div>
                         <mt-button type="danger" >去结算</mt-button>
					</div>
				</div>
			</div>

        </div>
    </div>
</template>

<script>
import numbox from '../subcomponents/shopcar-numbox.vue'
export default {
    data(){
        return{
            goodslist:[] //购物车中所有商品的数据
        }
    },
    created(){
        this.getGoodsList()
        
    },
    methods:{
        getGoodsList(){
            
            // 1. 获取到store中所有的商品的ID，然后拼接出用逗号分隔的字符串
            var idArr = [];
            this.$store.state.car.forEach(item => idArr.push(item.id))
            // 如果购物车中没用商品，则直接返回
            if(idArr.length <= 0){
                return;
            }
            // 获取购物车商品列表
            this.$http.get('api/goods/getshopcarlist/'+idArr.join(',')).then(result =>{
                if(result.body.status === 0){
                    this.goodslist = result.body.message
                }
            })

        },
        remove(id,index){
            // 点击删除，把商品从store中根据传递的ID删除，同事，把当前组件中的goodslist中，对应要删除的商品，用index来删除
            this.goodslist.splice(index,1)
            this.$store.commit('removeForCar',id)
        },
        selectedChanged(id,val){
            // 每当点击开关，就把开关状态添加到结算中
            
            console.log(id,val)
            this.$store.commit('updateGoodsSelected',{id,selected: val})
        }
    },
    components:{
        numbox
    }
}
</script>

<style lang="scss" scoped>

.shopcar-container{
    background-color: #ccc;
    overflow: hidden;

    .mui-card-content-inner{
        display: flex;
        align-items: center;
    }
    .good-list{
        img{
            width: 60px;
            // height: 60px;
            margin:0 5px;
        }
        h1{
            font-size: 13px;
        }
        .info{
            display: flex;
            flex-direction: column;
            justify-content: space-between;

            .price{
                color: red;
                font-weight: bold;
            }        
        }
    }

    .settle{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-size: 18px;
            // font-weight: bold;
        }
    }
}

</style>